Files
Tarokka/lib/RTCPeer.ts
2025-06-23 15:33:04 -04:00

132 lines
3.6 KiB
TypeScript

const servers = {
iceServers: [
{ url: 'stun:stun01.sipphone.com' },
{ url: 'stun:stun.ekiga.net' },
{ url: 'stun:stun.fwdnet.net' },
{ url: 'stun:stun.ideasip.com' },
{ url: 'stun:stun.iptel.org' },
{ url: 'stun:stun.rixtelecom.se' },
{ url: 'stun:stun.schlund.de' },
{ url: 'stun:stun.l.google.com:19302' },
{ url: 'stun:stun1.l.google.com:19302' },
{ url: 'stun:stun2.l.google.com:19302' },
{ url: 'stun:stun3.l.google.com:19302' },
{ url: 'stun:stun4.l.google.com:19302' },
{ url: 'stun:stunserver.org' },
{ url: 'stun:stun.softjoys.com' },
{ url: 'stun:stun.voiparound.com' },
{ url: 'stun:stun.voipbuster.com' },
{ url: 'stun:stun.voipstunt.com' },
{ url: 'stun:stun.voxgratia.org' },
{ url: 'stun:stun.xten.com' },
// {
// url: 'turn:numb.viagenie.ca',
// credential: 'muazkh',
// username: 'webrtc@live.com',
// },
// {
// url: 'turn:192.158.29.39:3478?transport=udp',
// credential: 'JZEOEt2V3Qb0y27GRntt2u2PAYA=',
// username: '28224511:1379330808',
// },
// {
// url: 'turn:192.158.29.39:3478?transport=tcp',
// credential: 'JZEOEt2V3Qb0y27GRntt2u2PAYA=',
// username: '28224511:1379330808',
// },
],
};
const pcConstraints = {
optional: [{ DtlsSrtpKeyAgreement: true }],
};
export interface RTCPeerProps {
channelName: string;
offer?: RTCSessionDescriptionInit;
sendAnswer: (offer: RTCSessionDescriptionInit) => void;
sendOffer: (offer: RTCSessionDescriptionInit) => void;
}
export default class RTCPeer {
channelName: string;
peerConnection: RTCPeerConnection;
channel: RTCDataChannel;
sendAnswer: (offer: RTCSessionDescriptionInit) => void;
sendOffer: (offer: RTCSessionDescriptionInit) => void;
constructor({ channelName, offer, sendAnswer, sendOffer }: RTCPeerProps) {
this.sendOffer = sendOffer;
this.sendAnswer = sendAnswer;
this.channelName = channelName;
this.peerConnection = new RTCPeerConnection(); //(servers, pcConstraints);
this.peerConnection.onicecandidate = offer
? this.#handleIceCandidateAnswer
: this.#handleIceCandidateOffer;
this.#createDataChannel();
if (offer) {
console.log('answer');
this.peerConnection.setRemoteDescription(offer);
this.peerConnection.createAnswer().then((answer) => {
this.peerConnection.setLocalDescription(answer);
});
} else {
console.log('call');
this.peerConnection.createOffer().then((offer) => {
this.peerConnection.setLocalDescription(offer);
});
}
}
onAnswer = (answer: RTCSessionDescriptionInit) => {
this.peerConnection.setRemoteDescription(answer);
};
#handleIceCandidateAnswer = (event: RTCPeerConnectionIceEvent) => {
if (!event.candidate) {
const answer = this.peerConnection.localDescription;
console.log('send-answer', { answer });
if (answer) {
this.sendAnswer(answer);
}
}
};
#handleIceCandidateOffer = (event: RTCPeerConnectionIceEvent) => {
if (!event.candidate) {
const offer = this.peerConnection.localDescription;
if (offer) {
console.log('send-offer', { offer });
this.sendOffer(offer);
}
}
};
#createDataChannel = () => {
try {
this.channel = this.peerConnection.createDataChannel(this.channelName);
this.channel.onopen = () => {
console.log('Receive Channel[onopen]:', this.channel.readyState);
};
this.channel.onmessage = (event: MessageEvent) => {
console.log('Receive Channel[onmessage]:', event.data);
};
this.channel.onclose = () => {
console.log('Receive Channel[onclose]:', this.channel.readyState);
};
} catch (error) {
console.error('[RTCPeer|#createDataChannel] ERROR', error);
}
};
}